
Basic checks
Veepeak OBDCheck BLE
A Bluetooth LE adapter for reading standard engine codes and supported live data.
View on AmazonIgnition Coil J Primary/Secondary Circuit Malfunction
Ignition Coil J Primary Control Circuit/Open: the control circuit is open. This affects the spark on the cylinder driven by this coil; a misfire results.
Ignition Coil J Primary Control Circuit/Open: the control circuit is open. This affects the spark on the cylinder driven by this coil; a misfire results.
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-660
Less common, but worth ruling out after the more likely causes.
Typical part cost: $90-660
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Already have a compatible scanner? Use it. If not, a Bluetooth OBD2 adapter can help you confirm engine codes and check supported live sensor data before replacing parts.

Basic checks
A Bluetooth LE adapter for reading standard engine codes and supported live data.
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Regular diagnostics
A Bluetooth LE adapter with an automatic sleep feature for routine code and sensor checks.
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Another option
A Bluetooth LE adapter to consider when comparing supported vehicles and diagnostic apps.
View on AmazonIllustrations shown, not product photos. Check vehicle, phone and app compatibility before buying. These adapters do not guarantee access to ABS, airbags or manufacturer-specific systems. Clearing a code does not repair the fault and can reset emissions readiness monitors.
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P0360 means "Ignition Coil J Primary/Secondary Circuit Malfunction". It is a generic OBD-II code that points to a fault in the ignition system or misfire.
primary winding open; pin pushed back out of connector body; cracked solder joint inside the module or sensor — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Year, make, model + step-by-step repair help — free plan included.